1"""
2Test the 'memory find' command.
3"""
4
5
6
7import lldb
8from lldbsuite.test.lldbtest import *
9import lldbsuite.test.lldbutil as lldbutil
10from lldbsuite.test.decorators import *
11
12
13class MemoryFindTestCase(TestBase):
14
15    mydir = TestBase.compute_mydir(__file__)
16
17    def setUp(self):
18        # Call super's setUp().
19        TestBase.setUp(self)
20        # Find the line number to break inside main().
21        self.line = line_number('main.cpp', '// break here')
22
23    def test_memory_find(self):
24        """Test the 'memory find' command."""
25        self.build()
26        exe = self.getBuildArtifact("a.out")
27        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
28
29        # Break in main() after the variables are assigned values.
30        lldbutil.run_break_set_by_file_and_line(
31            self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
32
33        self.runCmd("run", RUN_SUCCEEDED)
34
35        # The stop reason of the thread should be breakpoint.
36        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
37                    substrs=['stopped', 'stop reason = breakpoint'])
38
39        # The breakpoint should have a hit count of 1.
40        lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
41
42        # Test the memory find commands.
43
44        # Empty search string should be handled.
45        self.expect('memory find -s "" `stringdata` `stringdata+16`',
46                error=True,
47                substrs=["error: search string must have non-zero length."])
48
49        self.expect(
50            'memory find -s "in const" `stringdata` `stringdata+(int)strlen(stringdata)`',
51            substrs=[
52                'data found at location: 0x',
53                '69 6e 20 63',
54                'in const'])
55
56        # Invalid expr is an error.
57        self.expect(
58            'memory find -e "not_a_symbol" `&bytedata[0]` `&bytedata[15]`',
59            error=True,
60            substrs=["error: expression evaluation failed. pass a string instead"])
61
62        self.expect(
63            'memory find -e "(uint8_t)0x22" `&bytedata[0]` `&bytedata[15]`',
64            substrs=[
65                'data found at location: 0x',
66                '22 33 44 55 66'])
67
68        self.expect(
69            'memory find -e "(uint8_t)0x22" `&bytedata[0]` `&bytedata[2]`',
70            substrs=['data not found within the range.'])
71
72        self.expect('memory find -s "nothere" `stringdata` `stringdata+5`',
73                    substrs=['data not found within the range.'])
74
75        self.expect('memory find -s "nothere" `stringdata` `stringdata+10`',
76                    substrs=['data not found within the range.'])
77